configure.in

   1 dnl Process this file with autoconf to create a configure script.
   2
   3 dnl General initialization.
   4 AC_REVISION([$Id$])
   5 AC_PREREQ(2.59)
   6 AC_INIT([X3],[1.5],[evilnet-devel@lists.sourceforge.net])
   7 CODENAME=X3
   8 AC_CONFIG_HEADERS(src/config.h)
   9 AC_CONFIG_SRCDIR(src/opserv.c)
  10 dnl AM_CANONICAL_TARGET must be before AM_INIT_AUTOMAKE() or autoconf whines
  11 AC_CANONICAL_TARGET
  12 AM_INIT_AUTOMAKE([gnu 1.6])
  13 AM_MAINTAINER_MODE
  14
  15 dnl Compiler/runtime feature checks.
  16 AC_TYPE_SIGNAL
  17 AC_C_CONST
  18 AC_C_INLINE
  19
  20 dnl Checks for programs.
  21 AC_PROG_AWK
  22 AC_PROG_CC
  23 AC_PROG_INSTALL
  24
  25 dnl -- squish errors in autogen.sh -rubin
  26 AC_PROG_RANLIB
  27 dnl AC_PROG_LIBTOOL
  28
  29 AC_PROG_LN_S
  30 AC_PROG_MAKE_SET
  31 AC_PROG_GCC_TRADITIONAL
  32 AC_CHECK_PROG(MAKER, gmake, gmake, make)
  33
  34 dnl nice that unixes can all follow a standard.
  35 case $target in
  36   *-freebsd2* | *-freebsdelf2* | *-freebsd*out3*)
  37     ANSI_SRC=""
  38     ;;
  39   *-freebsd3* | *-freebsdelf3* | *-freebsd*out3*)
  40     ANSI_SRC=""
  41     ;;
  42   *-solaris*)
  43     EXTRA_DEFINE="-D__SOLARIS__"
  44     ANSI_SRC="-fno-builtin"
  45     ;;
  46   *-cygwin)
  47     ANSI_SRC="-fno-builtin"
  48     ;;
  49   *-linux*)
  50     dnl -D_GNU_SOURCE needed for strsignal()
  51     EXTRA_DEFINE="-D_GNU_SOURCE"
  52     ANSI_SRC=""
  53     ;;
  54   *)
  55     ANSI_SRC=""
  56     ;;
  57 esac
  58 CFLAGS="$CFLAGS $EXTRA_DEFINE"
  59
  60 dnl Checks for libraries.
  61 AC_CHECK_LIB(socket, socket)
  62 AC_CHECK_LIB(nsl, gethostbyname)
  63 AC_CHECK_LIB(m, main)
  64
  65 dnl Checks for header files.
  66 AC_HEADER_STDC
  67
  68 dnl will be used for portability stuff
  69 AC_HEADER_TIME
  70 AC_STRUCT_TM
  71
  72 dnl Would rather not bail on headers, BSD has alot of the functions elsewhere. -Jedi
  73 AC_CHECK_HEADERS(fcntl.h tgmath.h malloc.h netdb.h netinet/in.h sys/resource.h sys/timeb.h sys/times.h sys/param.h sys/socket.h sys/time.h sys/types.h sys/wait.h unistd.h getopt.h memory.h arpa/inet.h sys/mman.h sys/stat.h dirent.h,,)
  74
  75 dnl portability stuff, hurray! -Jedi
  76 AC_CHECK_MEMBER([struct sockaddr.sa_len],
  77                 [AC_DEFINE([HAVE_SOCKADDR_SA_LEN],,[Define if struct sockaddr has sa_len field])],
  78                 [],[#include <sys/types.h>
  79 #include <sys/socket.h>])
  80 AC_CHECK_MEMBER([struct addrinfo.ai_flags],
  81                 [AC_DEFINE([HAVE_STRUCT_ADDRINFO],,[Define if struct addrinfo declared])],
  82                 [],[#include <sys/types.h>
  83 #include <sys/socket.h>
  84 #include <netdb.h>])
  85 AC_CHECK_FUNCS(gettimeofday)
  86 if test $ac_cv_func_gettimeofday = no; then
  87   AC_CHECK_FUNCS(ftime,,AC_MSG_ERROR([ftime or gettimeofday required. X3 build will fail.]))
  88 fi
  89
  90 dnl We have fallbacks in case these are missing, so just check for them.
  91 AC_CHECK_FUNCS(freeaddrinfo getaddrinfo getnameinfo getpagesize memcpy memset strdup strerror strsignal localtime_r setrlimit getopt getopt_long sysconf,,)
  92
  93 dnl Check for absolutely required library functions.
  94 AC_CHECK_FUNCS(select socket strcspn strspn strtod strtoul,,AC_MSG_ERROR([a required function was not found. X3 build will fail.]))
  95
  96 dnl Check for functions (and how to get them).
  97 AC_FUNC_ALLOCA
  98 AC_FUNC_MMAP
  99
 100 AC_CACHE_CHECK([for sin_len], ac_cv_sin_len,
 101 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
 102 #include <netinet/in.h>],[struct sockaddr_in *sin; sin->sin_len = 0;])],
 103 ac_cv_sin_len="yes", ac_cv_sin_len="no")])
 104 if test $ac_cv_sin_len = yes ; then
 105   AC_DEFINE(HAVE_SIN_LEN, 1, [Define if struct sockaddr_in contains a sin_len field])
 106 fi
 107
 108 dnl Check for socklen_t.  In traditional BSD this is an int, but some
 109 dnl OSes use a different type.  Test until we find something that will
 110 dnl work properly.  Test borrowed from a patch submitted for Python.
 111 AC_CHECK_TYPE([socklen_t], ,[
 112   AC_MSG_CHECKING([for socklen_t equivalent])
 113   AC_CACHE_VAL([curl_cv_socklen_t_equiv],
 114   [
 115 dnl Systems have either "struct sockaddr*" or "void*" as second
 116 dnl arg to getpeername.
 117     curl_cv_socklen_t_equiv=
 118     for arg2 in "struct sockaddr" void ; do
 119       for t in int size_t unsigned long "unsigned long" ; do
 120         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
 121 #include <sys/socket.h>
 122 int getpeername (int $arg2 *, $t *);]], [[$t len;
 123   getpeername(0, 0, &len);]])],[curl_cv_socklen_t_equiv="$t"
 124   break],[])
 125       done
 126     done
 127   ])
 128   AC_MSG_RESULT($curl_cv_socklen_t_equiv)
 129   AC_DEFINE_UNQUOTED(socklen_t, $curl_cv_socklen_t_equiv,
 130       [type to use in place of socklen_t if not defined])],
 131   [#include <sys/types.h>
 132 #include<sys/socket.h>])
 133
 134 dnl Can only check with -Werror, but the rest of configure doesn't like -Werror
 135 OLD_CFLAGS=$CFLAGS
 136 CFLAGS="$CFLAGS -W -Wall -Werror"
 137
 138 dnl Now figure out how to printf() a time_t
 139 AC_MSG_CHECKING(for time_t format)
 140 AC_CACHE_VAL(ac_cv_fmt_time_t, [
 141 ac_cv_fmt_time_t=no
 142 AC_COMPILE_IFELSE([#include <sys/types.h>
 143 #include <stdio.h>
 144 void myfunc(void) {
 145   time_t test=0;
 146   printf("%li", test);
 147 }], ac_cv_fmt_time_t="\"%li\"")
 148 if test $ac_cv_fmt_time_t = no; then
 149 AC_COMPILE_IFELSE([#include <sys/types.h>
 150 #include <stdio.h>
 151 void myfunc(void) {
 152   time_t test=0;
 153   printf("%i", test);
 154 }], ac_cv_fmt_time_t="\"%i\"")
 155 fi
 156 if test $ac_cv_fmt_time_t = no; then
 157 AC_MSG_ERROR([Cannot detect format string for time_t
 158 Please check sys/types.h for the typedef of time_t and submit to a developer])
 159 fi
 160 ])
 161 AC_DEFINE_UNQUOTED(FMT_TIME_T, $ac_cv_fmt_time_t, [Define to printf format for a time_t variable])
 162 AC_MSG_RESULT($ac_cv_fmt_time_t)
 163
 164 dnl How to copy one va_list to another?
 165 AC_CACHE_CHECK([for va_copy], ac_cv_c_va_copy, [AC_LINK_IFELSE(
 166   [AC_LANG_PROGRAM([#include <stdarg.h>], [va_list ap1, ap2; va_copy(ap1, ap2);])],
 167   [ac_cv_c_va_copy="yes"],
 168   [ac_cv_c_va_copy="no"]
 169 )])
 170 if test "$ac_cv_c_va_copy" = "yes" ; then
 171   AC_DEFINE(HAVE_VA_COPY, 1, [Define if we have va_copy])
 172 fi
 173
 174 AC_CACHE_CHECK([for __va_copy], ac_cv_c___va_copy, [AC_LINK_IFELSE(
 175   [AC_LANG_PROGRAM([#include <stdarg.h>], [va_list ap1, ap2; __va_copy(ap1, ap2);])],
 176   [ac_cv_c___va_copy="yes"],
 177   [ac_cv_c___va_copy="no"]
 178 )])
 179 if test "$ac_cv_c___va_copy" = "yes" ; then
 180   AC_DEFINE(HAVE___VA_COPY, 1, [Define if we have __va_copy])
 181 fi
 182
 183 dnl Now fix things back up
 184 CFLAGS=$OLD_CFLAGS
 185
 186 dnl Optional features.
 187 AC_MSG_CHECKING(which malloc to use)
 188 AC_ARG_WITH(malloc,
 189 [  --with-malloc=type      Enables use of a special malloc library; one of:
 190                           system (the default), boehm-gc, dmalloc, mpatrol, x3, slab],
 191 [],
 192 [withval="system"])
 193 if test "x$withval" = "xsystem" ; then
 194   AC_MSG_RESULT(system)
 195   AC_DEFINE(WITH_MALLOC_SYSTEM, 1, [Define if using the system's malloc])
 196   x3_malloc="System"
 197 elif test "x$withval" = "xdmalloc" ; then
 198   AC_MSG_RESULT(dmalloc)
 199   AC_CHECK_HEADERS(dmalloc.h,,AC_MSG_ERROR([dmalloc header file missing.  dmalloc build will fail.]))
 200   AC_CHECK_LIB(dmalloc,malloc,,AC_MSG_ERROR([dmalloc library is missing.  dmalloc build will fail.]))
 201   AC_DEFINE(WITH_MALLOC_DMALLOC, 1, [Define if using the dmalloc debugging malloc package])
 202   x3_malloc="DMalloc"
 203 elif test "x$withval" = "xmpatrol" ; then
 204   AC_MSG_RESULT(mpatrol)
 205   AC_CHECK_HEADERS(mpatrol.h,,AC_MSG_ERROR([mpatrol header file missing.  mpatrol build will fail.]))
 206   dnl Using mpatrol requires linking against libelf, at least on Linux.
 207   AC_CHECK_LIB(elf, elf_begin)
 208   AC_CHECK_LIB(mpatrol,__mp_atexit,,AC_MSG_ERROR([mpatrol library is missing completely.  mpatrol build will fail.]))
 209   AC_DEFINE(WITH_MALLOC_MPATROL, 1, [Define if using the mpatrol malloc debugging package])
 210   x3_malloc="MPatrol"
 211 elif test "x$withval" = "xboehm-gc" ; then
 212   AC_MSG_RESULT(boehm-gc)
 213   AC_CHECK_HEADERS(gc/gc.h,,AC_MSG_ERROR([Boehm GC header file missing.  boehm-gc build will fail.]))
 214   AC_CHECK_LIB(dl, dlopen, , AC_MSG_ERROR([libdl library is missing.  boehm-gc build will fail.]))
 215   AC_CHECK_LIB(gc, GC_gcollect, , AC_MSG_ERROR([Boehm GC library is missing.  boehm-gc build will fail.]))
 216   AC_DEFINE(WITH_MALLOC_BOEHM_GC, 1, [Define if using the Boehm GC to garbage collect and check memory leaks])
 217   x3_malloc="Boehm"
 218 elif test "x$withval" = "xx3" ; then
 219   AC_MSG_RESULT(x3)
 220   AC_DEFINE(WITH_MALLOC_X3, 1, [Define if using the X3 internal debug allocator])
 221   MODULE_OBJS="$MODULE_OBJS alloc-x3.\$(OBJEXT)"
 222   x3_malloc="X3"
 223 elif test "x$withval" = "xslab" ; then
 224   AC_MSG_RESULT(slab)
 225   AC_DEFINE(WITH_MALLOC_SLAB, 1, [Define if using the slab internal debug allocator])
 226   MODULE_OBJS="$MODULE_OBJS alloc-slab.\$(OBJEXT)"
 227   x3_malloc="Slab"
 228 else
 229   AC_MSG_ERROR([Unknown malloc type $withval])
 230 fi
 231
 232 AC_MSG_CHECKING(which protocol to use)
 233 AC_ARG_WITH(protocol,
 234 [  --with-protocol=name    Choose IRC dialect to support; one of:
 235                           p10 (the default), bahamut],
 236 [],
 237 [withval="p10"])
 238 if test "x$withval" = "xp10" ; then
 239   AC_MSG_RESULT(P10)
 240   AC_DEFINE(WITH_PROTOCOL_P10, 1, [Define if using the P10 dialect of IRC])
 241   MODULE_OBJS="$MODULE_OBJS proto-p10.\$(OBJEXT)"
 242   PROTO_FILES=proto-p10.c
 243   x3_ircd="P10"
 244 elif test "x$withval" = "xbahamut" ; then
 245   AC_MSG_RESULT(Bahamut)
 246   AC_DEFINE(WITH_PROTOCOL_BAHAMUT, 1, [Define if using the Bahamut dialect of IRC])
 247   MODULE_OBJS="$MODULE_OBJS proto-bahamut.\$(OBJEXT)"
 248   x3_ircd="Bahamut"
 249 else
 250   AC_MSG_ERROR([Unknown IRC dialect $withval])
 251 fi
 252
 253 AC_ARG_WITH(getopt,
 254 [  --without-getopt        Disables building of the GNU getopt library],
 255 [if test "$withval" = no; then
 256   AC_DEFINE(IGNORE_GETOPT, 1, [Define to disable built-in getopt library])
 257 fi])
 258
 259 AC_MSG_CHECKING(whether to enable tokenization)
 260 AC_ARG_ENABLE(tokens,
 261 [  --disable-tokens        Disables tokenization of P10 protocol output
 262                            (tokens required if linking to ircu 2.10.11)],
 263 [],[enableval=yes])
 264 if test "z$enableval" = zno ; then
 265   AC_MSG_RESULT(no)
 266 else
 267   AC_DEFINE(ENABLE_TOKENS, 1, [Define if tokenized P10 desired])
 268   AC_MSG_RESULT(yes)
 269 fi
 270
 271 AC_MSG_CHECKING(whether to enable debug behaviors)
 272 AC_ARG_ENABLE(debug,
 273 [  --enable-debug          Enables debugging behaviors],
 274 [
 275   CPPFLAGS="$CPPFLAGS"
 276   AC_MSG_RESULT(yes)
 277   x3_debug="Enabled"
 278 ],
 279 [
 280   CPPFLAGS="$CPPFLAGS -DNDEBUG"
 281   AC_MSG_RESULT(no)
 282   x3_debug="Disabled"
 283 ])
 284
 285 if test -e src ; then
 286   if test ! -d src ; then
 287     AC_MSG_ERROR([src exists but is not a directory; please move it out of the way.])
 288   fi
 289 else
 290   mkdir src
 291 fi
 292 AC_MSG_CHECKING(for extra module files)
 293 MODULE_DEFINES="src/modules-list.h"
 294 echo > $MODULE_DEFINES
 295 touch $MODULE_DEFINES
 296 AC_ARG_ENABLE(modules,
 297 [  --enable-modules=list,of,modules   Enable extra modules],
 298 [
 299   OIFS="$IFS"
 300   IFS=','
 301   EXTRA_MODULE_OBJS=""
 302   module_list=""
 303   dnl Must use a separate file because autoconf can't stand newlines in an AC_SUBSTed variable.
 304   for module in $enableval ; do
 305     module=`echo $module | sed -e s/^mod-// -e s/\.c\$//`
 306     EXTRA_MODULE_OBJS="$EXTRA_MODULE_OBJS mod-$module.\$(OBJEXT)"
 307     module_list="$module_list $module"
 308     echo "WITH_MODULE($module)" >> $MODULE_DEFINES
 309     if test "x$module" = "xtrack" ; then
 310       TRACK="-D HAVE_TRACK"
 311     fi
 312   done
 313   IFS="$OIFS"
 314   MODULE_OBJS="$MODULE_OBJS $EXTRA_MODULE_OBJS"
 315   AC_MSG_RESULT($module_list)
 316 ],
 317 [
 318   AC_MSG_RESULT(none)
 319 ])
 320
 321 MY_SUBDIRS=""
 322 RX_INCLUDES=""
 323 RX_LIBS=""
 324 if test "${BROKEN_REGEX}" = yes -o "${ac_cv_func_regcomp}" = no; then
 325   MY_SUBDIRS="rx $MY_SUBDIRS"
 326   RX_INCLUDES="-I../rx"
 327   RX_LIBS="../rx/librx.a"
 328 fi
 329 MY_SUBDIRS="$MY_SUBDIRS src"
 330 CFLAGS="$CFLAGS $ANSI_SRC -W -Wall"
 331 if test "z$USE_MAINTAINER_MODE" = zyes ; then
 332   CFLAGS="$CFLAGS -Werror"
 333 fi
 334
 335 dnl I am not comfortable running make install from ./configure. This has to be done correctly or not at all.  -Rubin
 336 dnl REMEMBER TO CHANGE WITH A NEW TRE RELEASE!
 337 dnl tre_version="0.7.4"
 338 dnl AC_MSG_RESULT(extracting TRE regex library)
 339 dnl cur_dir=`pwd`
 340 dnl cd tools
 341 dnl remove old tre directory to force a recompile...
 342 dnl rm -rf tre-$tre_version
 343 dnl if test "x$ac_cv_path_GUNZIP" = "x" ; then
 344 dnl         tar xfz tre.tar.gz
 345 dnl else
 346 dnl         cp tre.tar.gz tre.tar.gz.bak
 347 dnl         gunzip -f tre.tar.gz
 348 dnl         cp tre.tar.gz.bak tre.tar.gz
 349 dnl         tar xf tre.tar
 350 dnl fi
 351 dnl AC_MSG_RESULT(configuring TRE regex library)
 352 dnl cd tre-$tre_version
 353 dnl tre_prefix=$prefix
 354 dnl if test $tre_prefix = "NONE"; then
 355 dnl     tre_prefix="$HOME"
 356 dnl fi
 357 dnl ./configure --disable-agrep --disable-shared --disable-system-abi --disable-wchar --disable-multibyte --prefix=$tre_prefix || exit 1
 358 dnl
 359 dnl AC_MSG_RESULT(compiling TRE regex library)
 360 dnl $ac_cv_prog_MAKER || exit 1
 361 dnl AC_MSG_RESULT(installing TRE regex library)
 362 dnl $ac_cv_prog_MAKER install || exit 1
 363 dnl TREINCDIR="$tre_prefix/include"
 364 dnl AC_SUBST(TREINCDIR)
 365 dnl if test "x$ac_cv_path_PKGCONFIG" = "x" ; then
 366 dnl         TRELIBS="-L$tre_prefix/lib -ltre"
 367 dnl else
 368 dnl         TRELIBS=`$ac_cv_path_PKGCONFIG --libs tre.pc`
 369 dnl fi
 370 dnl AC_SUBST(TRELIBS)
 371 dnl
 372 dnl cd $cur_dir
 373
 374 dnl libTRE (regex library) checking
 375 withval=''
 376 AC_ARG_WITH(tre, [  --with-tre=PATH    Base path to where libtre is installed, such that PATH/lib/libtre.so and PATH/include/tre/regex.h exist.], )
 377 if test "x$withval" != "x"; then
 378     AC_MSG_RESULT(Using include dir $withval to find libtre)
 379     CPPFLAGS="-I$withval/include -L$withval/lib"
 380     LIBS="$LIBS -L$withval/lib"
 381 else
 382     AC_MSG_RESULT([Looking for tre in system and home dirs (${HOME})...])
 383     CPPFLAGS="-I${HOME}/include -L${HOME}/lib"
 384     LIBS="$LIBS -L${HOME}/lib"
 385 fi
 386 AC_CHECK_HEADER(tre/regex.h, , [AC_MSG_ERROR([tre/regex.h, the TRE regex headers, were not found. Install tre or use --with-tre=PATH to tell me how to find it, where PATH/include/tre/regex.h exists.  For conveniance, just type 'tools/tre_install.sh' now, to install tre in your home directory.])],)
 387 AC_CHECK_LIB(tre, regexec, , [AC_MSG_ERROR([TRE regex library not found. Install tre, or use --with-tre=PATH to tell me how to find it, where PATH/lib/libtre.so exists. For conveniance, just type 'tools/tre_install.sh' now, to install tre in your home directory.])])
 388
 389 AC_DEFINE_UNQUOTED(CODENAME, "${CODENAME}", [Code name for this release])
 390 AC_SUBST(MODULE_OBJS)
 391 AC_SUBST(MY_SUBDIRS)
 392 AC_SUBST(RX_INCLUDES)
 393 AC_SUBST(RX_LIBS)
 394 AC_SUBST(TRACK)
 395 AC_CONFIG_FILES(Makefile rx/Makefile src/Makefile)
 396 AC_OUTPUT
 397
 398
 399 dnl Print configuration summary
 400
 401 cat <<EOF
 402
 403 Configuration summary
 404 =====================
 405
 406 X3 is now configured as follows:
 407
 408 * Compilation environment
 409
 410   CC       = $CC
 411   CFLAGS   = $CFLAGS
 412   CPP      = $CPP
 413   CPPFLAGS = $CPPFLAGS
 414   LD       = $LD
 415   LDFLAGS  = $LDFLAGS
 416   LIBS     = $LIBS
 417
 418 * X3 options
 419
 420   Debug:             $x3_debug
 421   Extra Modules:    $module_list
 422   Malloc:            $x3_malloc
 423   Protocol:          $x3_ircd
 424   Regexp Library     TRE $tre_version
 425
 426   Install to:        $prefix
 427
 428 Now you can proceed with compiling X3
 429
 430 EOF
 431